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13258 Bej (1998 QT12)
Classification: Main-belt Asteroid          SPK-ID: 2013258
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09283308155773491 5.4186e-08  
a 2.372625738486309 1.805e-08 AU
q 2.152367579799428 1.2683e-07 AU
i 5.974015352023762 5.4587e-06 deg
node 290.148655907804 7.3328e-05 deg
peri 329.6046688913732 8.5489e-05 deg
M 221.6141287615589 4.3025e-05 deg
tp 2457513.634877513982
(2016-May-05.13487751)
0.00015932 JED
period 1334.880174195986
3.65
1.5233e-05
4.171e-08
d
yr
n .2696871276980589 3.0775e-09 deg/d
Q 2.59288389717319 1.9726e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      938  
   data-arc span      12437 days (34.05 yr)  
   first obs. used      1980-09-13  
   last obs. used      2014-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47708  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:24:44  

Additional Information
 Earth MOID = 1.14072 AU 
 T_jup = 3.530 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO309255  

13258 Bej           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Gautam Ashim Bej (b. 1989) is a finalist in the 2002 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his biochemistry, medicine, health, and microbiology project. He attends the Altamont School, Birmingham, Alabama.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021021/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1998 QT12 = 1980 RF7 = 1990 HV 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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